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Cross-shaped fractal antenna: A compact circularly polarized radiating element

✍ Scribed by M. Ben Abdillah; O. Pascal; H. Aubert

Book ID: 102516246
Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 111 KB
Volume: 43
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.20521

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✦ Synopsis

Abstract

A novel topology for compact circularly polarized antennas is proposed. The cross‐shaped fractal antenna (CSFA) consists of two identical prefractal dipoles that are excited with a 90° time‐phase difference between them. Such an antenna significantly reduces the space filling, compared to classical topologies, and radiates excellent circularly polarized fields over a large beamwidth. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 518–521, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20521

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Figure 10 Electric field, -polarized, backscattered from a sinusoidally deformed DCR with p s 0.1. Dashed line: h s 0; solid line: h s 0.2 tive or destructive way, thus justifying the oscillations present in Figure 10. As a final observation, we note that, by increasing the DCR dimensions, the lobe